大约有 43,000 项符合查询结果（耗时：0.0794秒） [XML]
Deleting rows with MySQL LEFT JOIN
...g "table as", then specify it to delete.
In the example i delete all table_1 rows which are do not exists in table_2.
DELETE t1 FROM `table_1` t1 LEFT JOIN `table_2` t2 ON t1.`id` = t2.`id` WHERE t2.`id` IS NULL
share
...
How to replace all dots in a string using JavaScript
...g.prototype.replaceAll = function( token, newToken, ignoreCase ) {
var _token;
var str = this + "";
var i = -1;
if ( typeof token === "string" ) {
if ( ignoreCase ) {
_token = token.toLowerCase();
while( (
i = str.toLowerCase().inde...
Using 'return' in a Ruby block
...; }
LocalJumpError: unexpected return
from (irb):7:in `block in irb_binding'
from (irb):2:in `call'
from (irb):2:in `thing'
from (irb):6
from /home/mirko/.rvm/rubies/ruby-1.9.1-p378/bin/irb:15:in `<main>'
irb(main):009:0> thing { break 6 * 7 }
=> 4...
Merge Images Side by Side(Horizontally)
... simple with ImageMagick (brew install imagemagick )
convert +append image_1.png image_2.png new_image_conbined.png
share
|
improve this answer
|
follow
|
...
How to make a SPA SEO crawlable?
..."!">. This tag will make google's bot transform the URL to www.xyz.com?_escaped_fragment_= which we'll see later.
The 'about' route is just an example to a link to other 'pages' you may want on your web application.
Now, the tricky part is that there is no 'category' route, and there may be many...
How can I connect to a Tor hidden service using cURL in PHP?
...
You need to set option CURLOPT_PROXYTYPE to CURLPROXY_SOCKS5_HOSTNAME, which sadly wasn't defined in old PHP versions, circa pre-5.6; if you have earlier in but you can explicitly use its value, which is equal to 7:
curl_setopt($ch, CURLOPT_PROXYTYPE, 7...
Which MySQL datatype to use for an IP address? [duplicate]
I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this?
...
JavaScript curry: what are the practical applications?
... return this; //nothing to curry with - return function
}
var __method = this;
var args = toArray(arguments);
return function() {
return __method.apply(this, args.concat([].slice.apply(null, arguments)));
}
}
...
Escape Character in SQL Server
...(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1'
EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA'
share
|
improve this answer
|
follow
...
Programmatically change the src of an img tag
...puts.length; i++) {
inputs[i].disabled = false;
}
var edit_save = document.getElementById("edit-save");
edit_save.src = "../template/save.png";
}
share
|
...